[br][color=#000000][b]Standard form[/b]: [/color][br][br]  [math]\large \textcolor{blue}{ax+b=0}\;\;\;\textcolor{blue}{(a,b\in \cal R,\;a\neq 0)}[/math][br][br]where [i]x [/i]is a variable, [i]a[/i] and [i]b [/i]be are parameters (values are unknown but constants). [br][br][color=#0000ff][b]Solution [/b][/color]is  [br][br]  [math]\large \textcolor{blue}{x=-\frac{b}{a}.}[/math][br] [br][br][color=#0000ff]Algorithm for solving linear equations[/color][br][br][list][*]Remove all brackets and denominators. [/*][*]Transpose variable terms ot the left and constant terms to the right.[/*][*]Combine like terms, that is, write the equation in the form [math]ax=b.[/math] [/*][*]Divide both sides with the multiplier of the variable.[/*][*]Check your solution by substituting it into the [u]original equation[/u].[/*][/list][br][br][br][br][br]